Description: 3 Calvert Cliffs MD Barnacle Cluster Fossils Middle Miocene 18 - 15 Million Yrs. Fossilized barnacles from the site of the Calvert Formation in Maryland. Dated to the Early to Middle Miocene era (23-15 million years ago). Adapted from online sources: In the early to middle Miocene, the Salisbury Embayment was a shallow sea (Delaware, Maryland, and Virginia coastal plains). It is thought to have been a calving ground for many species of early dolphins and whales. Since there were so many marine mammals here, the largest of prehistoric sharks, the Megatooth sharks, spent time feeding here. The fossil bearing Calvert Cliffs of Maryland is part of a large collection of fossiliferous exposures, called the Chesapeake Group. The Chesapeake Group encompasses exposures around the Chesapeake Bay, D.C., Maryland, and Virginia.
Price: 19.99 USD
Location: College Park, Maryland
End Time: 2024-08-09T17:40:23.000Z
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Country/Region of Manufacture: United States